82891-67-6

Usage

Molecular structure

A long, hydrocarbon-based structure containing five phenyl groups attached to a central propylbenzene molecule.

Type of compound

Substituted benzene, with hydrogen atoms on the benzene ring replaced by other functional groups.

Applications

Mainly used in organic synthesis and as a building block for creating more complex molecules.

Electronic properties

Its structure makes it useful for creating materials with specific electronic properties.

Optical properties

Useful for creating materials with specific optical properties.

Chemical properties

Useful for creating materials with specific chemical properties.

Coordination chemistry

Can be used as a ligand due to its ability to complex with metal ions.

Catalytic applications

Valuable in catalytic applications due to its coordination chemistry properties.

Material science applications

Valuable in material science applications due to its coordination chemistry properties.

Upstream product

• 2216-49-1 triphenylmethyl radical 
• 186581-53-3 diazomethane 
• 18909-18-7 1-diphenylmethylene-4-trityl-2,5-cyclohexadiene 

Relevant academic research and scientific papers

Sterically Hindered Alkanes, II. 1,1,1,3,3,3-Hexaphenylpropane

The structure of the title compound 3, C39H32, obtained for the first time by Schlenk and Bornhardt (1912) from triphenylmethyl (1) and diazomethane (2) has been determined by 14C-tracer technique, NMR spectroscopy and X-ray analysis.It crystallizes in the monoclinic space group C 2/c with Z = 4, a = 9.943(6), b = 19.054(3), c = 14.708(2) Angstroem and β = 101.80(2) deg.The structure was solved by direct methods and refined by full-matrix least squares to R = 0.046 for all 2625 reflections (Fo>0).On account of steric repulsions between the phenyl rings at both termini the central propane bond angle φ is stretched to 127.2 deg, whereas the bond lengths are not much affected.The X-ray results are compared with those of Blount et al. (1982), obtained on a triclinic crystal modification (P) of 3.A fair agreement of bond lengths and angles is observed, the slopes of the homochiral propellers, however, are different in both modifications.The measurement of the N2-evolution shows that the mechanism of formation of 3 from 1 and 2 is different in the photochemical and dark reaction.A carbene respectively a one-electron transfer mechanism is suggested.In spite of the remarkably normal CC-propane bond lengths homolytic cleavage of these bonds to give 1 is observed at 200-220 deg C using the ESR technique. - Key words: X-ray, Steric Hyndrance, C14-Tracer Technique, triarylmethyl Radical, Diazomethane